CN216411462U

CN216411462U - Novel partial discharge early warning on-line monitoring device

Info

Publication number: CN216411462U
Application number: CN202121733667.4U
Authority: CN
Inventors: 靳维成
Original assignee: Wuhan Chuangqingyuan Power Design Co ltd
Current assignee: Wuhan Chuangqingyuan Power Design Co ltd
Priority date: 2021-07-28
Filing date: 2021-07-28
Publication date: 2022-04-29
Anticipated expiration: 2031-07-28

Abstract

The utility model discloses a novel partial discharge early warning online monitoring device which comprises a box body, an ultrasonic sensor, a single chip microcomputer and a partial discharge detector, wherein a sensor shell is arranged on the outer wall of one side of the box body, a shielding cover is arranged on the outer wall of one side of the sensor shell, the ultrasonic sensor is arranged on the outer wall of one side of the sensor shell in a penetrating mode and located inside the shielding cover, a hook is arranged on the outer wall of one side of the box body, and the partial discharge detector is sleeved on the surface of the hook. The utility model monitors the whole electrical equipment in real time through the ultrasonic sensor, when the electrical equipment is monitored to have a partial discharge phenomenon, the single chip microcomputer controls the loudspeaker to whistle and warn, and a worker operates the partial discharge detector to confirm the specific discharge position, so that the insulation assembly is maintained and replaced, and the purposes of online real-time monitoring and accurate detection and convenient maintenance of the electrical equipment are achieved.

Description

Novel partial discharge early warning on-line monitoring device

Technical Field

The utility model relates to the field of partial discharge early warning and monitoring, in particular to a novel partial discharge early warning online monitoring device.

Background

The partial discharge refers to the field intensity generated by external working voltage in electrical equipment, so that the discharge phenomenon that a fixed discharge channel is not formed occurs in an insulating area, and the local field intensity of gas or liquid with breakdown field intensity reaches the breakdown field intensity, the partial gas or liquid starts to discharge, generally, the partial electric field in the insulator or on the insulating surface is particularly concentrated, so that an insulating part is damaged, and faults such as short circuit and the like occur to mechanical equipment, and the danger is high.

The prior partial discharge early warning monitoring device has the following defects:

1. the utility model discloses a Chinese utility model patent with publication number CN212569011U, and relates to a partial discharge detection mechanism, which comprises a detection probe, an installation base, a telescopic component and a rotating component. The detection probe is used for detecting partial discharge of the electrical equipment. The telescopic assembly is arranged on the mounting base and used for driving the detection probe to stretch relative to the mounting base. The detection probe can be relatively installed on the base to stretch and rotate through the telescopic assembly and the rotating assembly. The present invention relates to a partial discharge detection apparatus including the above-described partial discharge detection mechanism. The partial discharge detection mechanism and the partial discharge detection equipment have the advantages of small volume, long detection stroke and high detection accuracy.

The novel partial discharge early warning online monitoring device in the above-mentioned publication can not perform online real-time monitoring on the partial discharge of the electrical equipment, and can not perform simultaneous detection on the whole electrical equipment so as to perform early warning in time;

2. the existing novel partial discharge early warning online monitoring device can only detect the partial discharge problem of the external detection equipment of the mechanical equipment, and can not determine the specific discharge position in the equipment after confirming the partial discharge.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims to provide a novel partial discharge early warning online monitoring device which is used for solving the problems in the background technology. SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides the following technical scheme: a novel partial discharge early warning online monitoring device comprises a box body, an ultrasonic sensor, a single chip microcomputer and a partial discharge detector, wherein a sensor shell is arranged on the outer wall of one side of the box body, a shielding cover is arranged on the outer wall of one side of the sensor shell, the ultrasonic sensor is arranged on the outer wall of one side of the sensor shell in a penetrating mode and located inside the shielding cover;

the couple is installed to one side outer wall of box, the surface of couple has cup jointed the partial discharge detector, the partial discharge detector includes display area territory and operating area territory, and the partial discharge detector is located sensor case's top, the bottom of partial discharge detector runs through and installs the transmission line, the response gauge head is installed to the one end of transmission line.

Preferably, the button area is installed at the top of box, the push rod is installed at the top of box, and the push rod is located the place ahead of button area, the display screen is installed in the front of box.

Preferably, the top of box is installed the support frame, and the support frame is located the rear side top according to the key district, the lamp shade is installed to the bottom of support frame, the fluorescent tube is installed to the both sides inner wall of lamp shade, and the fluorescent tube is located the top according to the key district.

Preferably, the top of the box body is provided with a loudspeaker, and the loudspeaker is positioned at the oblique rear part of the support frame.

Preferably, the insulation board is installed to the bottom of box, pulley structure is all installed in the bottom four corners of insulation board, pulley structure includes gyro wheel, pedestal and base, the base is installed to the bottom of insulation board, the pedestal runs through to install the pedestal in the bottom of base, the gyro wheel is installed to the both sides inner wall of pedestal, the lateral wall of gyro wheel is provided with the through-hole.

Preferably, the fixing base is installed to the bottom of insulation board, and the fixing base is located one side of pulley structure, the front of fixing base is provided with the recess, the internally mounted of recess has the bolt, and the one end of bolt is in same axis with the centre of a circle of through-hole.

Preferably, the inside diapire of box is installed the bracing piece that the rectangle was arranged, the singlechip is installed at the top of bracing piece.

(III) advantageous effects

Compared with the prior art, the utility model has the beneficial effects that:

1. the device is characterized in that a push rod control device is pushed to move to an electrical device to be detected, a bolt penetrates through a through hole formed in the side wall of a roller, so that the device is fixed in place, an ultrasonic sensor faces towards the electrical device to be detected, the whole electrical device is monitored in real time by the ultrasonic sensor, the shielding cover prevents the external environment from interfering the detection process of the ultrasonic sensor, detected data are transmitted into a single chip microcomputer, the single chip microcomputer analyzes the data and displays the data on a display screen, when the electrical device is monitored to have a partial discharge phenomenon, the single chip microcomputer controls a loudspeaker to whistle and warn, a worker is reminded to overhaul in the front, and the purpose of online real-time monitoring of partial discharge early warning is achieved;

2. this device passes through ultrasonic sensor and wholly monitors electrical equipment, and the emergence has when partial discharge phenomenon, by staff operation partial discharge detector, stretches into electrical equipment's inside with its response gauge head, confirms specific discharge position to the maintenance and change insulating assemblies, reach the purpose of accurate detection and convenient maintenance electrical equipment.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural diagram between the single chip microcomputer and the insulating plate according to the present invention;

FIG. 3 is a schematic view of the pulley structure of the present invention;

FIG. 4 is a schematic structural view between the pulley structure and the fixing base according to the present invention;

fig. 5 is a schematic structural view between the lamp cover and the lamp tube according to the present invention.

The reference numerals in the figures illustrate: 1. a box body; 2. an insulating plate; 3. an ultrasonic sensor; 301. a sensor housing; 4. a shield case; 5. a speaker; 6. a support frame; 7. a lamp shade; 701. a lamp tube; 8. a display screen; 9. a pulley structure; 901. a roller; 902. a pedestal; 903. a base; 10. a key area; 11. a support bar; 12. a single chip microcomputer; 13. a fixed seat; 1301. a bolt; 14. a push rod; 15. a partial discharge detector; 1501. a sensing probe.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without any inventive step, are within the scope of the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 and fig. 2, an embodiment of the present invention: a novel partial discharge early warning on-line monitoring device comprises a box body 1, an ultrasonic sensor 3, a single chip microcomputer 12 and a partial discharge detector 15, wherein a sensor shell 301 is installed on the outer wall of one side of the box body 1, a shielding cover 4 is installed on the outer wall of one side of the sensor shell 301, the ultrasonic sensor 3 is installed on the outer wall of one side of the sensor shell 301 in a penetrating mode, the ultrasonic sensor 3 is located inside the shielding cover 4, a hook is installed on the outer wall of one side of the box body 1, the partial discharge detector 15 is sleeved on the surface of the hook, the partial discharge detector 15 comprises a display area and an operation area, the partial discharge detector 15 is located above the sensor shell 301, a transmission line is installed on the bottom of the partial discharge detector 15 in a penetrating mode, an induction measuring head 1501 is installed at one end of the transmission line, a key area 10 is installed at the top of the box body 1, a push rod 14 is installed at the top of the box body 1, and the push rod 14 is located in front of the key area 10, display screen 8 is installed in the front of box 1, and speaker 5 is installed at the top of box 1, and speaker 5 is located the oblique rear of support frame 6, and the bracing piece 11 that the rectangle was arranged is installed to the inside diapire of box 1, and singlechip 12 is installed at the top of bracing piece 11.

When the structure is used, the push rod 14 is used for controlling the whole movement of the device, the box body 1 is used for providing an installation position for the sensor shell 301, the sensor shell 301 is used for protecting and installing the ultrasonic sensor 3 and providing an installation position for the shielding cover 4, the shielding cover 4 is used for preventing the external environment from interfering the detection process of the ultrasonic sensor 3, the whole electrical equipment is monitored in real time through the ultrasonic sensor 3, the detected data are transmitted into the singlechip 12 and are analyzed by the singlechip 12 and are displayed on the display screen 8, the support rod 11 is used for installing the singlechip 12, the key area 10 is used for controlling the operation of the device, when the electrical equipment is monitored to have the partial discharge phenomenon, the singlechip 12 is used for controlling the loudspeaker 5 to sound a warning and reminding a worker to go forward to overhaul, the worker operates the partial discharge detector 15 and stretches the induction measuring head 1501 of the partial discharge detector into the electrical equipment, the specific discharge location is identified to repair and replace the insulation assembly.

As shown in fig. 3-5, a novel local discharge early warning on-line monitoring device includes pulley structure 9, bolt 1301 and fluorescent tube 701, insulation board 2 is installed to the bottom of box 1, pulley structure 9 is all installed in insulation board 2's bottom four corners, pulley structure 9 includes gyro wheel 901, pedestal 902 and base 903, base 903 is installed to insulation board 2's bottom, pedestal 903 runs through the bottom of installing pedestal 903 and puts up 902, gyro wheel 901 is installed to pedestal 902's both sides inner wall, the lateral wall of gyro wheel 901 is provided with the through-hole, fixing base 13 is installed to insulation board 2's bottom, and fixing base 13 is located one side of pulley structure 9, fixing base 13's front is provided with the recess, the internally mounted of recess has bolt 1301, and the one end of bolt 1301 is in same axis with the centre of a circle of through-hole. Support frame 6 is installed at the top of box 1, and support frame 6 is located the rear side top according to key region 10, lamp shade 7 is installed to the bottom of support frame 6, fluorescent tube 701 is installed to the both sides inner wall of lamp shade 7, and fluorescent tube 701 is located the top according to key region 10, when using this structure, support frame 6 provides the mounted position for lamp shade 7, lamp shade 7 is used for the installation and protects fluorescent tube 701, insulation board 2 plays the purpose that prevents electric leakage interference, base 903 provides the mounted position for pedestal 902, when thrust unit removes, pedestal 902's rotation makes gyro wheel 901 can roll to the arbitrary direction, when stopping promoting, utilize bolt 1301 to pass the through-hole that gyro wheel 901 lateral wall set up, thereby make the device fix in situ, wherein fixing base 13 is used for installing bolt 1301.

The working principle is as follows: when the device is used, the push rod 14 is pushed to control the device to move to an electrical device to be detected, the bolt 1301 is utilized to penetrate through a through hole formed in the side wall of the roller 901, so that the device is fixed in place, the ultrasonic sensor 3 faces the electrical device to be detected, the whole electrical device is monitored in real time by the ultrasonic sensor 3, the shielding cover 4 prevents the external environment from interfering the detection process of the ultrasonic sensor 3, the detected data are transmitted into the singlechip 12, the singlechip 12 analyzes the data and displays the data on the display screen 8, when the electrical device is monitored to have a partial discharge phenomenon, the singlechip 12 controls the loudspeaker 5 to whistle and warn a worker to go forward for maintenance, the worker operates the partial discharge detector 15 to stretch the induction measuring head 1501 inside the electrical device to confirm a specific discharge position, and then the insulation component is maintained and replaced, the purposes of accurate detection and convenient maintenance of electrical equipment are achieved.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a novel partial discharge early warning on-line monitoring device, includes box (1), ultrasonic sensor (3), singlechip (12) and partial discharge detector (15), its characterized in that: a sensor shell (301) is installed on the outer wall of one side of the box body (1), a shielding cover (4) is installed on the outer wall of one side of the sensor shell (301), an ultrasonic sensor (3) is installed on the outer wall of one side of the sensor shell (301) in a penetrating mode, and the ultrasonic sensor (3) is located inside the shielding cover (4);

the couple is installed to one side outer wall of box (1), partial discharge detector (15) have been cup jointed on the surface of couple, partial discharge detector (15) are including display area and operating area, and partial discharge detector (15) are located the top of sensor housing (301), the bottom of partial discharge detector (15) is run through and is installed the transmission line, response gauge head (1501) are installed to the one end of transmission line.

2. The novel partial discharge early warning on-line monitoring device of claim 1, characterized in that: the button district (10) is installed at the top of box (1), push rod (14) are installed at the top of box (1), and push rod (14) are located the place ahead of button district (10), display screen (8) are installed in the front of box (1).

3. The novel partial discharge early warning on-line monitoring device of claim 1, characterized in that: support frame (6) are installed at the top of box (1), and support frame (6) are located the rear side top of pressing button district (10), lamp shade (7) are installed to the bottom of support frame (6), fluorescent tube (701) are installed to the both sides inner wall of lamp shade (7), and fluorescent tube (701) are located the top of pressing button district (10).

4. The novel partial discharge early warning on-line monitoring device of claim 1, characterized in that: loudspeaker (5) are installed at the top of box (1), and loudspeaker (5) are located the oblique rear of support frame (6).

5. The novel partial discharge early warning on-line monitoring device of claim 1, characterized in that: the insulation board (2) is installed to the bottom of box (1), pulley structure (9) are all installed in the bottom four corners of insulation board (2), pulley structure (9) include gyro wheel (901), pedestal (902) and base (903), base (903) are installed to the bottom of insulation board (2), pedestal (902) are installed to the bottom of base (903) through-going, gyro wheel (901) are installed to the both sides inner wall of pedestal (902), the lateral wall of gyro wheel (901) is provided with the through-hole.

6. The novel partial discharge early warning on-line monitoring device of claim 5, characterized in that: fixing base (13) are installed to the bottom of insulation board (2), and fixing base (13) are located one side of pulley structure (9), the front of fixing base (13) is provided with the recess, the internally mounted of recess has bolt (1301), and the centre of a circle of the one end of bolt (1301) and through-hole is in same axis.

7. The novel partial discharge early warning on-line monitoring device of claim 1, characterized in that: the internal bottom wall of the box body (1) is provided with a support rod (11) which is arranged in a rectangular shape, and the top of the support rod (11) is provided with a single chip microcomputer (12).